Home / 10,617.36-15,926.10-3,221.82

Finding the Fourth Proportional to 10,617.36, 15,926.10 and 3,221.82

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Solution

The fourth proportional to 10,617.36, 15,926.10 and 3,221.82 is: 4,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.36 : 15,926.10 = 3,221.82 : x
  2. Step 2: Convert to fraction form
    10,617.36/15,926.10 = 3,221.82/x
  3. Step 3: Cross multiply
    10,617.36x = 15,926.10 × 3,221.82
  4. Step 4: Simplify right side
    10,617.36x = 51,311,027.50
  5. Step 5: Solve for x
    x = 51,311,027.50/10,617.36
  6. Step 6: Final answer
    x = 4,832.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.